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INTERNAL INSPECTION
We recommend that twice a season you inspect the output
laterals.
1. Backwash your lter then turn o the pump and leave the valve
in the backwash position. Also open the drain plug at base of
the lter.
2. Open the air release valve at the top of the lter. You will notice
air rushing into the lter. This represents water draining out of
the lter. CAUTION! The Xclear Bead lters 750/900 do not have
a valve outlet with strainer which causes the beads to come out
of the lter. Keep close attention when the beads start coming
out of the lter and close it.
3. When air stops being sucked into the lter, most of the water
has drained out of the lter. Remove the cap.
4. Now inspect the beads. Do they look clean after the backwash?
Are there areas of caked beads? If you nd areas of dirty beads
or caked beads, you may need to adjust the span of time that
you use the blower, or increase the backwash time, or possibly
the backwashing frequency. If you nd caked beads, now is the
time to break them apart. Using your hand or a stick, stir the
beads and break up any clumps that you might nd.
5. Wipe any beads stuck to the output laterals o and inspect
them. Make sure that they clear of any obstructions. If there is
material inside the laterals, use a high pressure cleaner to make
the laterals clean.
6. Next, inspect the backwash laterals. They will need to be removed. This can be done by reaching down in the lter and unscrewing the
union that holds the backwash lateral in place (you may have to remove a greater part of the beads). When loose inspect them for debris.
Clean if needed then replace when done.
7. Replace the top cap and make sure that it is secure. Pay attention to the position of the air release valve so that it is pointed in the direction
you wish.
8. When the top cap is back on, with the air release valve open, move the lter valve to the Filter position and turn on the pump. When water
comes out of the air release valve, close the valve and perform another backwash and rinse cycle before going back to ltration. Now your
done.
MEDICATING YOUR POND
Sometime during your career as a pond keeper you may need to medicate your pond with chemicals that will
harm the bacterial colonies on the lter media. To insure that they are not damaged follow these simple steps:
1. Do a good backwash on the lter then turn o the pump.
2. Move the valve to the "recirculate position". This will cause the water to bypass the lter while you are treating your pond. Turn your
pump on.
3. Open the sludge drain at the bottom of the lter and then the air release valve at the top of the lter. Water will start draining out of the
lter without loss of any beads (Xclear Bead lter 400/500/600). CAUTION! The Xclear Bead lter 750/900 do not have a valve outlet with
strainer which causes the beads to come out of the lter. Keep close attention when the beads start coming out of the lter and close it.
Then open the valve a little so only water can come out and no beads. The bead pack will now be surrounded with air instead of water. This
will prevent any bacterial loss from lack of oxygen. The beads will stay moist for several days.
4. When the medication period is over, close the sludge drain, but leave the air release valve open. Turn o the pump and move the handle to
the lter position. Now turn on the pump. You will notice air "whistling" out of the air release valve as the tank re lls with water. When
water sprays out of the air release valve turn o the pump. Do a quick backwash and rinse, then go to lter mode.
*Note* Depending on the chemicals used, it is advisable to do a 50% water change before starting the lter back
up. Check with your dealer.
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